A health worker sprays chemicals to disinfect Quan Nhan village in Ha Nam province, where patient 2899 resides. (Photo: VNA)

Two were recorded in Hanoi's North Thang Long industrial park and two in the northern province of Ha Nam. All of them are linked to patient 2899, a male migrant worker who returned from Japan to Ha Nam.

The same day, Vietnam confirmed 10 more imported cases.

Vietnam has recorded 13 new community infections over the past 2 days, after more than a month of no such cases.

All the new infections are linked to patient 2899, who tested positive after completing his mandatory two-week quarantine in Da Nang city where he tested negative thrice.

The total count of COVID-19 infections in Vietnam has risen to 2,928. 2,516 patients have recovered while the death toll remains at 35.

More than half a million people in the country have been vaccinated against COVID-19.